const nextJest = require('next/jest')

const createJestConfig = nextJest({
  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
  dir: './',
})

// Add any custom config to be passed to Jest
const customJestConfig = {
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  testEnvironment: 'jest-environment-node',
  testMatch: ['**/*.test.ts', '**/*.test.tsx'],
  moduleNameMapper: {
    // Handle module aliases
    '^@/(.*)$': '<rootDir>/$1',
    // Handle CSS imports (with CSS modules)
    '^.+\\.(css|sass|scss)$': 'identity-obj-proxy',
  },
  transform: {
    '^.+\\.(js|jsx|ts|tsx)$': ['next/babel'],
  },
  transformIgnorePatterns: [
    '/node_modules/',
    '^.+\\.module\\.(css|sass|scss)$',
  ],
}

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
module.exports = createJestConfig(customJestConfig)
